Ratchet wrench



FIG. 1 is a perspective view of the ratchet wrench.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof; and,

FIG. 4 is a left side view thereof, the right side view being a mirror image thereof.

The surface protrusions on the ratchet wrench head and handle, and the socket mounting stud and cover plate screws on the ratchet wrench head shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a ratchet wrench, as shown and described. 